30 
A Monograph of Culicidae. 
tarsi covered with dark brown scales with a bronzy reflection; 
ungues of the fore and mid legs equal and simple; hind ones 
equal, simple, and small. 
Fig. 161. 
Culex univittatus. n. sp. 
I. Abdominal ornamentation ; II. head and enlarged scales ; 
III. hind femora and tibia. 
Wings with the veins covered with brown scales, the lateral 
ones of the second, third, fourth, and upper branch of the fifth 
very long and thin; first sub-marginal cell longer and narrower 
than the second posterior cell, its stem less than half the length of 
the cell and not so long as that of the second posterior cell, the 
stem of the latter not quite so long as the cell; bases of the two 
cells nearly level, the base of the first sub-marginal a little nearer 
the base of the wing than that of the second posterior; posterior 
cross-vein nearly twice its own length distant from the mid 
cross-vein. 
Halteres ochraceous, with a dusky line on one side and a 
slightly darker knob. 
Length. —4*8 to 5*5 mm. 
£. Head brown, with narrow curved pale scales, white 
flat ones at' the sides, numerous black upright forked ones 
behind, ochraceous in front; proboscis dark brown; antennae 
grey, with narrow dark brown bands ; plume hairs brown; palpi 
longer than the proboscis by the whole of the apical and about 
half the penultimate joint, brown, with a white band on the basal 
third; the last two joints nearly equal, the apical one pointed, 
both and the apex of the antepenultimate with scanty blackish 
hairs. 
Thorax dark brown, with narrow curved golden-brown 
scales, with some of a paler hue, often forming two indistinct 
